Flounder :: Flounder (n.) A flatfish of the family Pleuronectidae, of many species..
Flounder :: Flounder (n.) A tool used in crimping boot fronts.
Flounder :: Flounder (v. i.) To fling the limbs and body, as in making efforts to move; to struggle, as a horse in the mire, or as a fish on land; to roll, toss, and tumble; to flounce..